body.i18next-loading {
  visibility: hidden;
}

body {
  background-color: rgb(236, 238, 247);
}

.page-title-stage {
  top: 0;
  height: 60px;
  background-color: rgba(5, 51, 145, 0.7);
  position: absolute;
  width: 100%;
  z-index: 1;
}

.wrap {
  max-width: 1400px;
  padding: 0px 10px;
  margin: 0 auto;
}

.page-title-stage .wrap {
  display: flex;
  height: 100%;
  align-items: center;
}

.logo {
  height: 100%;
  width: 180px;
  flex-shrink: 0;
  background-image: url('/img/logo.png');
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
}

.page-title-nav {
  flex-grow: 1;
  margin-left: 80px;
  display: flex;
  font-size: 22px;
  color: white;
  height: 100%;
  position: relative;
  z-index: 0;
}

#page-title-active-bg {
  position: absolute;
  height: 100%;
  z-index: -1;
  background-color: #57B8D0;
  transition: all 1s ease;
}

.page-title {
  padding: 0 1.2em;
  line-height: 60px;
  color: inherit;
  text-decoration: initial;
  transition: all 0.6s ease;
  white-space: nowrap;
  font-weight: bold;
}

.page-title.active {
  color: rgb(6, 51, 145);
}

.i18n-switch {
  font-size: 16px;
  color: white;
  cursor: pointer;
  position: relative;
  padding: 0 20px;
  line-height: 60px;
}

.i18n-switch {
  position: relative;
}

.switch-language-popup {
  position: absolute;
  box-shadow: 0px 0px 10px rgba(0,0,0,0.2);
  margin-left: -1em;
  top: 60px;
  opacity: 0;
  pointer-events: none;
  transition: all .3s linear;
}

.i18n-switch:hover .switch-language-popup {
  opacity: 1;
  pointer-events: all;
}

.switch-language-popup li {
  line-height: normal;
  padding: .5em 1em;
  background: rgba(5, 51, 145, 0.7);
}

.switch-language-popup li:hover {
  background: rgba(5, 51, 145, 1);
}

.page-footer {
  position: relative;
  background-color: rgb(32, 32, 32);
  color: rgb(221, 221, 221);
}

.contact-us {
  padding-top: 60px;
}

.contact-us-title {
  font-size: 30px;
  font-weight: bold;
}

.contact-us-content {
  font-size: 20px;
  padding: 30px 0 54px;
  display: flex;
  gap: 40px;
  justify-content: space-between;
}

.contact-us-content > div:first-child{
  max-width: 50%;
}

.contact-us-text {
  margin-top: 22px;
}

.contact-us-sep {
  border-top: 1px solid rgb(117, 117, 117);
}

.icp {
  font-size: 18px;
  padding: 18px 0;
  gap: 20px;
  display: flex;
  justify-content: space-between;
}

.goto-top {
  position: absolute;
  right: 66px;
  top: 48px;
  width: 31px;
  height: 44px;
  background-image: url('/img/goto-top.png');
  background-repeat: no-repeat;
  cursor: pointer;
}

.laboratory-introduce-stage {
  position: relative;
  display: flex;
  justify-content: flex-end;
}

.laboratory-introduce-left-img {
  position: absolute;
  transform: translateX(-20%);
  z-index: -1;
  left: 0;
  height: 100%;
}

.laboratory-introduce-right-text-container {
  margin-top: 36px;
  margin-bottom: 36px;
  width: 60%;
  background: white;
  padding: 60px 70px;
  background-color: rgb(236, 238, 247);
  box-shadow: 0px 6px 32px rgba(6, 51, 145, 0.15);
  display: flex;
  flex-direction: column;
}

.laboratory-introduce-header {
  display: flex;
  gap: 15px;
  align-items: center;
  justify-content: space-between;
  white-space: nowrap;
}

.laboratory-introduce-title {
  font-size: 44px;
  font-weight: bold;
}

.laborator-introduce-content {
  margin-top: 26px;
  font-size: 18px;
  word-break: break-all;
}

.centers-header {
  font-size: 44px;
  font-weight: bold;
  margin-bottom: 40px;
}

.centers-dots {
  display: flex;
  margin-bottom: 30px;
  justify-content: center;
  gap: 20px;
}

.centers-dot {
  width: 16px;
  height: 16px;
  border: 2px solid #0086f5;
  border-radius: 50%;
  cursor: pointer;
}

.centers-dot.active {
  background-color: #0086f5;
}

.center-container-placeholder {
  display: flex;
  overflow: hidden;
  visibility: hidden;
}

.center-container-placeholder .center-container {
  flex-shrink: 0;
}

.center-container-float {
  position: relative;
  width: 60%;
  margin: auto;
  perspective: 600px;
  transform-style: preserve-3d;
}

.center-container-float .center-container {
  position: absolute;
  width: 100%;
}

.center-container {
  width: 60%;
  background-color: rgb(236, 238, 247);
  box-shadow: 0px 6px 18.69px 2.31px rgba(6, 51, 145, 0.58);
  transition: all .3s ease;
}

.center-img-container {
  overflow: hidden;
}

.center-img {
  aspect-ratio: 700 / 400;
  background-size: cover;
  transition: all 0.5s ease;
}

.center-img.img-1 {
  background-image: url('/img/centers/1.jpg');
}

.center-img.img-2 {
  background-image: url('/img/centers/2.jpg');
}

.center-img.img-3 {
  background-image: url('/img/centers/3.jpg');
}

.center-img.img-4 {
  background-image: url('/img/centers/4.png');
}

.center-text {
  padding: 40px 60px;
}

.center-title {
  font-size: 28px;
  font-weight: bold;
  margin-bottom: 16px;
}

.center-container:hover .center-title {
  color: #053391;
}

.center-container:hover .center-img {
  transform: scale(1.1);
}

.center-introduce {
  font-size: 18px;
  color: rgb(87, 184, 208);
}

.more {
  font-size: 20px;
  font-weight: bold;
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 0 50px;
  line-height: 50px;
  position: relative;
  z-index: 0;
}

.more:hover {
  color: white;
}

.more::after {
  content: '';
  display: inline-block;
  width: 24px;
  height: 24px;
  background-image: url('/img/right.svg');
  background-size: contain;
}

.more::before {
  position: absolute;
  left: 0;
  content: '';
  width: 0%;
  height: 100%;
  background-color: #063391;
  border-radius: 100px;
  z-index: -1;
  opacity: 0;
  transition: all 0.5s ease;
}

.more:hover::after {
  filter: invert(1);
}

.more:hover::before {
  width: 100%;
  opacity: 1;
}

.research-stage {
  margin-top: 100px;
  margin-bottom: 100px;
}

.research-title {
  font-size: 44px;
  color: rgb(51, 51, 51);
  font-weight: bold;
  margin-bottom: 45px;
}

.research-content {
  position: relative;
  overflow: hidden;
  padding: 10px;
  margin: 0 -10px;
}

.research-content:hover .research-img {
  transform: scale(1.1);
}

.research-transform {
  display: flex;
  gap: 20px;
  width: calc(400% + 60px);
  transition: all 0.5s ease;
}

.research-entry {
  width: 25%;
  display: flex;
  box-shadow: 0px 0px 10px rgba(6, 51, 145, 0.15);
}

.research-img-container {
  width: 0;
  flex-grow: 1000;
  overflow: hidden;
}

.research-img {
  height: 100%;
  background-size: cover;
  background-position: center;
  transition: all 0.5s ease;
}

.research-img-1 {
  background-image: url('/img/研究方向_01光通信技术.png');
}

.research-img-2 {
  background-image: url('/img/研究方向_02移动通信技术.png');
}

.research-img-3 {
  background-image: url('/img/研究方向_03海洋网络.png');
}

.research-img-4 {
  background-image: url('/img/研究方向_04数字人才培养.png');
}

.research-text {
  width: 0;
  flex-grow: 600;
}

.research-text-inner {
  padding: 40px;
}

.research-entry-title {
  font-size: 28px;
  font-weight: bold;
  color: rgb(51, 51, 51);
  margin-bottom: 20px;
}

.research-entry-content {
  font-size: 18px;
  color: rgb(51, 51, 51);
  max-height: 320px;
  overflow: auto;
}

.research-paging-placeholder {
  height: 120px;
}

.research-paging {
  position: absolute;
  color: rgb(6, 51, 145);
  line-height: 100px;
  left: calc((100% - 20px) * 62.5 / 100 + 10px + 40px);
  font-size: 22px;
  bottom: 50px;
  font-weight: bold;
  display: flex;
  align-items: center;
  gap: 40px;
}

.research-paging-left, .research-paging-right {
  width: 30px;
  height: 30px;
  background-size: 100%;
  background-position: center;
  background-repeat: no-repeat;
  cursor: pointer;
}

.research-paging-right {
  background-image: url('/img/right-blue.svg');
}

.research-paging-left {
  background-image: url('/img/right-blue.svg');
  transform: scaleX(-1);
}

.research-paging-current {
  font-size: 34px;
}

.article-stage {
  padding-top: 152px;
  padding-bottom: 132px;
  color: rgb(51, 51, 51);
}

.article-title {
  text-align: center;
  padding-bottom: 55px;
  border-bottom: 1px solid rgb(6, 51, 145);
  margin-bottom: 60px;
}

.article-primary-title {
  font-size: 44px;
  font-weight: bold;
}

.article-secondary-title {
  font-size: 20px;
  margin-top: 10px;
}

.paragraph {
  max-width: 1000px;
  margin: 0px auto 20px;
  text-indent: 2em;
  font-size: 16px;
  color: rgb(26, 29, 35);
}

.paragraph-title {
  max-width: 1000px;
  margin: 25px auto 10px;
  color: rgb(26, 29, 35);
  font-size: 24px;
  font-weight: bold;
  background-image: linear-gradient(rgb(0, 82, 204), rgb(0, 82, 204));
  background-position-x: 0%;
  background-position-y: 50%;
  background-repeat: no-repeat;
  background-size: 4px 20px;
  padding-left: 15px;
}

.article-image {
  margin: 20px auto;
  max-width: 800px;
  width: 100%;
  text-align: center;
}

.article-image img {
  display: inline-block;
}

.article-image-explain {
  color: rgb(90, 97, 105);
  font-size: 14px;
  margin-top: 8px;
}

.icp--record img {
  width: 20px;
  height: 20px;
  display: inline-block;
  vertical-align: -2px;
}